“vacuum valve”概念、定义、翻译-科学时代

单词	vacuum valve
释义	物理学词汇手册 vacuum valve 真空管，电子管；真空阀；真空整流管
随便看	Defense Advanced Research Project Agency (DARPA) Defense Advanced Research Project Agency Network (DARPANET) defense buildup defense cut Defense Data Network Defense Data Network (DDN) Defense Data Network--Defense Data Network (DDN) defense in depth defense in-depth Defense Information Systems Agency Defense Information Systems Agency--Defense Information Systems Agency (DISA) Defense Information Systems Agency (DISA) defense in place defense mechanism defense mechanism defense mechanism defense message system defense message system--defense message system (DMS) defense message system (DMS) defense of suit against insured defense spending Defense Switched Network Defense Switched Network--Defense Switched Network (DSN) Defense Switched Network (DSN) defense tag

科学时代收录了1160609条科普词条，基本涵盖了常见科普常识及英语词汇的翻译，是科学学习和研究的有利工具。